On Tue, 14 Apr 2020 08:02:27 -0700 Matthew Wilcox <[email protected]> wrote:
>
> Use the new readahead operation in erofs.
>
Well this is exciting.
fs/erofs/data.c: In function erofs_raw_access_readahead:
fs/erofs/data.c:149:18: warning: last_block may be used uninitialized in this
function [-Wmaybe-uninitialized]
*last_block + 1 != current_block) {
It seems to be a preexisting bug, which your patch prompted gcc-7.2.0
to notice.
erofs_read_raw_page() goes in and uses *last_block, but neither of its
callers has initialized it. Could the erofs maintainers please take a
look?
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